#include <bits/stdc++.h>
using namespace std;
#define yes cout<<"YES"<<endl
#define no cout<<"NO"<<endl
using ll = long long;
const ll  N=550;
ll n;
ll ux[N], uy[N], vx[N], vy[N];
map
void solve()
{
    cin >> n;
    for (ll i = 0; i < n;i++)
    {
        cin >> ux[i] >> uy[i] >> vx[i] >> vy[i];
    }


}
int main()
{
    int t = 1;
    cin >> t;
    while(t--)
    {
        solve();
    }
   return 0;
}
